Flake lock file updates: • Updated input 'nixpkgs': 'github:NixOS/nixpkgs/fe2ecaf706a5907b5e54d979fbde4924d84b65fc' (2023-04-12) → 'github:NixOS/nixpkgs/897876e4c484f1e8f92009fd11b7d988a121a4e7' (2023-05-06)
- flake: update, switch to go 1.20